The document discusses the ASEAN Common Technical Dossier (ACTD) format for pharmaceutical product registration applications submitted to ASEAN regulatory authorities. The ACTD format aims to standardize applications to reduce submission time and resources while facilitating regulatory review. It includes four parts covering administrative data, quality, nonclinical, and clinical information. The ACTD guideline describes the sections within each part, including overviews, summaries, study reports, and references. The standard format seeks to provide a consistent and transparent presentation of technical information to support evaluation and understanding of registration applications.